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Bucher Guyer 4000

Q: How much power does the Bucher Guyer 4000 have?

The Bucher Guyer 4000 delivers 38 hp.

Q: What engine does the Bucher Guyer 4000 have?

4 cylinders, 2,010 cm³ displacement, Diesel.

Q: What are the dimensions of the Bucher Guyer 4000?

2,870 mm × 1,580 mm × 1,440 mm.

Built: 1959–1967 · Series: D

More machines from model year 1959

Source: https://de.wikibooks.org/wiki/Traktorenlexikon:_Bucher_D_400

Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required

The D series from Bucher Guyer includes the 4000. Production: 1959–1967. The engine delivers 38 hp (27.9 kW), has 4 cylinders, with a displacement of 2,010 cm³. Rated speed is 2,800 rpm. The machine is 2,870 mm long, 1,580 mm wide and 1,440 mm high. The unladen weight is 1,495 kg. The wheelbase measures 1,908 mm. Ground clearance is 430 mm. Top speed is 20 km/h. Transmission: 5 V/1 R or 6 V/1 R. The engine is air-cooled. Tyres: front 6.00-16 ASF, rear 10-28 AS. The fuel is diesel. The bore measures 80 mm. The stroke is 100 mm. The compression ratio is 20:1. Construction: unit construction (no separate frame). Injection pressure is 125 bar. Around ca. 1.000 units were built. The D series covers 4 models. Rated output within it ranges from 24 to 38 hp; the 4000 sits at the top of that range with 38 hp. Its immediate neighbours are the 2000 below it with 28 hp. Unladen weight within it ranges from 1,325 to 1,495 kg; here the 4000 sits at the top of that range with 1,495 kg. 8 Bucher Guyer models across 4 series are on record.

Bucher-Guyer D – the small Swiss two- to four-cylinder tractors from Niederweningen (canton of Zurich), models 1700 to D 1800, 18 to 28 kW

Bucher-Guyer was a Swiss maker of agricultural machinery based in Niederweningen in the canton of Zurich, whose tractor production has today become part of the Bucher Industries group. The D series with the 1700, 2000, 4000 and D 1800 models comprises compact two- to four-cylinder diesel tractors, typical of the small-structured farming of Switzerland.

Read on 3 more paragraphs

The register lists here 4 versions with 17.7 to 27.9 kW from two- to four-cylinder engines of 1,701 to 2,078 cm³ displacement, unladen weights from 1,325 to 1,495 kg, lengths from 2,510 to 2,870 mm, widths from 1,520 to 1,580 mm and heights from 1,400 to 1,440 mm – all with diesel engines.

The D models were designed as manoeuvrable yard tractors for Swiss mountain and hill farming, where narrow plots, steep slopes and limited turning circles posed different requirements than the lowland farming of neighbouring countries; they competed there with other Swiss small-tractor brands.

Used, the D models call for checking engine condition and the injection pump, clutch and transmission, brakes on slopes, and the condition of sheet metal and hydraulic hoses; front-axle bearings and the PTO are also worth a look on the older vintages. Parts are today offered mainly by Swiss farm-machinery specialists and the Bucher Industries successor business.

Sources: SpecCodex register, model data: Bucher-Guyer D, Bucher Industries

Technical data

Engine

Fuel	dieselcorrect
Power	38 hp (27.9 kW)correct
Rated speed	2,800 rpmcorrect
Cylinders	4correct
Displacement	2,010 cm³correct
Bore	80 mmcorrect
Stroke	100 mmcorrect
Compression ratio	20correct
Injection pressure	125 barcorrect
Cooling	air-cooledcorrect

Dimensions and weights

Length	2,870 mmcorrect
Width	1,580 mmcorrect
Height	1,440 mmcorrect
Wheelbase	1,908 mmcorrect
Ground clearance	430 mmcorrect
Unladen weight	1,495 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	5 V/1 R or 6 V/1 Rcorrect
Front tyres	6.00-16 ASFcorrect
Rear tyres	10-28 AScorrect
Top speed	20 km/hcorrect

Origin and approval

Construction	unit construction (no separate frame)correct
Units built	ca. 1.000correct

Where this model stands

Power-to-weight ratio: 18.7 kW/t (28 kW / 1.5 t)

Power class: Compact (< 40 hp)

Stronger than 23% of the tractors in the register — out of 15,663 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Bucher Guyer 4000 have?

The Bucher Guyer 4000 delivers 38 hp.

How much does the Bucher Guyer 4000 weigh?

The unladen weight is 1,495 kg.

What engine does the Bucher Guyer 4000 have?

4 cylinders, 2,010 cm³ displacement, Diesel.

How fast does the Bucher Guyer 4000 go?

Top speed is 20 km/h.

What are the dimensions of the Bucher Guyer 4000?

2,870 mm × 1,580 mm × 1,440 mm.

When was the Bucher Guyer 4000 built?

Production years: 1959–1967.

What to check before buying

Check the hour meter against the service records — a replaced instrument is the most common gap.
Compare the data plate and chassis number with the papers.
Check the weights in the papers against the figures here — attachments change them.
Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
Shift the gearbox cold and warm — jumps only show up at temperature.
Load the hydraulics and watch for sag.
Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 24 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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